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Individual Calculations May 2011 |
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| Bullen, Alex Total change: -4.60 | |   |
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| Junior 4NCL 2011 | Oxford | ENG | 2010-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1694 | 0.50 | 2 | 0.02 | 25 | 0.50 | |
|  Dias, Theodore R | | | 1769 | FRA | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Galliano, Alexander | | | 2094 * | ENG | 0.50 | 1 | 0.42 | 25 | 10.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | NOTE: K factor changed | | The 57th Welsh Chess Championships | Cardiff | WLS | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1764 | 1.00 | 6 | -0.34 | 15 | -5.10 | |
| | Pleasants, Allan J | | | 2056 | WLS | 0.00 | 1 | -0.15 | 15 | -2.25 | |  Jameson, David | | | 2088 | WLS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Davis, Lee | | | 1974 | WLS | 0.00 | 1 | -0.23 | 15 | -3.45 | | | White, Ernest M | | | 1952 | ENG | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Fathallah, Joe | | | 1906 | WLS | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Van Kemenade, Rudy | | | 1951 | WLS | 0.00 | 1 | -0.26 | 15 | -3.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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